Radio frequency detector



FIG. 1 is a front, right side, top, isometric view of a radio frequency detector;

FIG. 2 is a rear, left side, bottom isometric view of the radio frequency detector shown in FIG. 1;

FIG. 3 is a front view of the radio frequency detector shown in FIG. 1;

FIG. 4 is a right side view of the radio frequency detector shown in FIG. 1;

FIG. 5 is a rear view of the radio frequency detector shown in FIG. 1;

FIG. 6 is a left side view of the radio frequency detector shown in FIG. 1;

FIG. 7 is a top view of the radio frequency detector shown in FIG. 1; and,

FIG. 8 is a bottom view of the radio frequency detector shown in FIG. 1.

The broken lines shown in FIGS. 1-3 and 5 represent portions of the radio frequency detector that form no part of the claimed design. 

CLAIM The ornamental design for a radio frequency detector, as shown and described. 